Non-Compliance
Clean Water Act
NEVADA CITY WASTEWATER TREATMENT PLANT
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $12,000 in total penalties since records began.
- Address
-
317 BROAD STREET
NEVADA CITY, CA 95959
View on map ↗ - County
- NEVADA County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 22132
- Inspections
- 1 · last Nov 7, 2023
- Total Penalties
- $12,000 · last Jan 27, 2022
- Registry ID
- 110000519920
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
5
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| cwa | Permit Violations - Violation Specified in Comment | Jul 16, 2024 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jul 15, 2024 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | May 14, 2024 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Apr 25, 2024 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Oct 24, 2021 | — | Open |
| cwa | Schedule Event achieved late but reported | Jun 1, 2012 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jun 1, 2012 | — | Open |
| cwa | Schedule Event reported late | Jun 1, 2012 | — | Open |
| cwa | Schedule Event unachieved but reported | Jun 1, 2012 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 1, 1986 | — | Open |
| cwa | Schedule Event unachieved and not reported | Oct 1, 1986 | Jun 1, 1988 | Resolved |
| cwa | Schedule Event unachieved and not reported | Sep 1, 1986 | Jun 1, 1988 | Resolved |
| cwa | Schedule Event achieved late but reported | Sep 1, 1986 | — | Open |
Discharge Limit Exceedances
Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.
| Pollutant | Violation | Reported | Limit | Exceedance | Period | Status |
|---|---|---|---|---|---|---|
| Mercury, total recoverable | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +1,150% | Dec 2025 | Open |
| Dichlorobromomethane | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +15% | Oct 2025 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 4.50 MPN/100mL | 2.20 | +105% | Sep 2025 | Open |
| Mercury, total recoverable | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +220% | Dec 2024 | Open |
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 1.30 toxic | 1.00 | +30% | Sep 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.09 mg/L | 2.00 | +155% | Jul 2024 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 4.50 MPN/100mL | 2.20 | +105% | Jun 2024 | Open |
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 100.00 toxic | 1.00 | +9,900% | Jun 2024 | Open |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 100.00 % | 25.00 | +300% | Jun 2024 | Open |
| Dichlorobromomethane | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +10% | May 2024 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.01 | +809% | May 2024 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.02 | +426% | May 2024 | Resolved |
| Dichlorobromomethane | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +5% | Apr 2024 | Open |
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 100.00 toxic | 1.00 | +9,900% | Mar 2024 | Open |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 100.00 % | 25.00 | +300% | Mar 2024 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 4.00 MPN/100mL | 2.20 | +82% | Mar 2024 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 4.50 MPN/100mL | 2.20 | +105% | Feb 2024 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.01 | +809% | Dec 2023 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.02 | +426% | Dec 2023 | Resolved |
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 100.00 toxic | 1.00 | +9,900% | Dec 2023 | Open |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 100.00 % | 25.00 | +300% | Dec 2023 | Open |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 100.00 % | 25.00 | +300% | Sep 2023 | Open |
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 100.00 toxic | 1.00 | +9,900% | Sep 2023 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 130.00 MPN/100mL | 2.20 | +5,809% | Sep 2023 | Open |
| Dichlorobromomethane | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +8% | Jul 2023 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 4.50 MPN/100mL | 2.20 | +105% | Jun 2023 | Open |
| Dichlorobromomethane | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +2% | Jun 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.94 mg/L | 2.00 | +197% | Jun 2023 | Open |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 100.00 % | 25.00 | +300% | Jun 2023 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +99,999% | Apr 2023 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 4.50 MPN/100mL | 2.20 | +105% | Mar 2023 | Open |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 100.00 % | 25.00 | +300% | Mar 2023 | Open |
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 100.00 toxic | 1.00 | +9,900% | Mar 2023 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 4.00 MPN/100mL | 2.20 | +82% | Jan 2023 | Open |
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 100.00 toxic | 1.00 | +9,900% | Dec 2022 | Open |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 100.00 % | 25.00 | +300% | Dec 2022 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 7.80 MPN/100mL | 2.20 | +255% | Oct 2022 | Open |
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 100.00 toxic | 1.00 | +9,900% | Sep 2022 | Open |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 100.00 % | 25.00 | +300% | Sep 2022 | Open |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | DMR, Limited - Overdue | 100.00 % | 25.00 | +300% | Sep 2022 | Resolved |
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | DMR, Limited - Overdue | 100.00 toxic | 1.00 | +9,900% | Sep 2022 | Resolved |
| Coliform, total general | DMR, Limited - Numeric Violation | 27.00 MPN/100mL | 23.00 | +17% | Aug 2022 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 6.80 MPN/100mL | 2.20 | +209% | Jul 2022 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.02 | +111% | Jul 2022 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 6.80 MPN/100mL | 2.20 | +209% | Apr 2022 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 4.50 MPN/100mL | 2.20 | +105% | Feb 2022 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 4.00 MPN/100mL | 2.20 | +82% | Jan 2022 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 1.67 MGD | 0.69 | +142% | Oct 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.30 mg/L | 1.90 | +74% | Dec 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 24.92 kg/d | 10.90 | +129% | Dec 2020 | Open |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.
State CWA Penalty AO
Clean Water Act
· Case CA-N00001772
State CWA Penalty AO
Clean Water Act
· Case CA-CFEA457548 · Jun 28, 2024
State CWA Penalty AO
Clean Water Act
· Case CA-CFEA445584 · Jan 27, 2022
$12,000
State CWA Penalty AO
Clean Water Act
· Case CA-CFEA443104 · Apr 23, 2021
State CWA Penalty AO
Clean Water Act
· Case CA-CFEA436816 · Feb 5, 2020
State CWA Penalty AO
Clean Water Act
· Case CA-2020-0501 · Feb 5, 2020
State CWA Penalty AO
Clean Water Act
· Case CA-CFEA416199 · Jun 1, 2018
$2,668
State CWA Penalty AO
Clean Water Act
· Case CA-2013-1073 · May 14, 2013
State CWA Penalty AO
Clean Water Act
· Case CA-2010-1132 · Jun 10, 2010
State CWA Penalty AO
Clean Water Act
· Case CA-2009-1172 · Jun 10, 2010
State CWA Non Penalty AO
Clean Water Act
· Case CA-2009-1003 · Dec 4, 2008
State CWA Penalty AO
Clean Water Act
· Case CA-2009-1033 · Nov 10, 2008
State CWA Non Penalty AO
Clean Water Act
· Case CA-N00001775 · Apr 25, 2003
State CWA Penalty AO
Clean Water Act
· Case CA-N00000325 · Feb 28, 1990
$10,000
State CWA Penalty AO
Clean Water Act
· Case CA-N00000183 · Dec 12, 1989
State CWA Non Penalty AO
Clean Water Act
· Case CA-N00000193 · Sep 29, 1989
State CWA Non Penalty AO
Clean Water Act
· Case CA-N00001774 · Sep 22, 1989
State CWA Penalty AO
Clean Water Act
· Case CA-N00000046 · Jun 24, 1988
$7,500
State CWA Non Penalty AO
Clean Water Act
· Case CA-N00001773 · Aug 23, 1985
State CWA Non Penalty AO
Clean Water Act
· Case CA-N00000592 · Aug 23, 1985
Other facilities in NEVADA County, CA
ARCH'S AUTOMOTIVE SERVICE
GRASS VALLEY, CA
· Other Services
SHELL OIL CO
TRUCKEE, CA
TYSON S LECHNER DDS
TRUCKEE, CA
· Health Care and Social Assistance
A A CONCRETE SUPPLY GRASS VALLEY
GRASS VALLEY, CA
CALIF DEPT FORESTRY
NEVADA CITY, CA
GRASS VALLEY WWTP
GRASS VALLEY, CA